2010 Metro Mitigation Plan

Recommendations

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Metro officials should talk to their state legislators and Tennessee Department of Environment and Conservation staff about the feasibility of amending the State’s dam safety laws. Source: Community Rating System Action Plan Mitigation Category: Emergency Services Responsible Office: MWS and OEM Priority (H, M, L): Low Cost Estimate: Staff Time; because changing a state law involves political contacts and discussions, a cost for technical staff time or consultant expenses cannot be estimated. It would take one to two days to prepare a background paper on the issues. Community Benefit: Public Safety Potential funding: Existing Budget Schedule: Within 5 years 2009 Update: Tennessee’s safe dam program does not include farm ponds. RECOMMENDED ACTION 22: Cooperating Technical Partners (CTPs) are communities, regional agencies, or states that have the interest and capability to be active partners in FEMA’s flood mapping program. CTPs enter into an agreement that formalizes their contribution and commitment to flood mapping. The objective of the program is to maximize limited funding by combining resources and help maintain consistent national standards. Metro’s Stormwater Division should pursue a Cooperating Technical Partner agreement with FEMA in order to get its mapping standards to better fit local conditions or make the community a higher priority for mapping support. Source: Community Rating System Action Plan Mitigation Category: Prevention Responsible Office: MWS Priority (H, M, L): Low Cost Estimate: Staff Time Community Benefit: Formalization of community contribution and commitment to flood mapping. CTP program maximizes limited funding by combining resources and helps to maintain consistent national standards. Potential funding: Existing Budget Schedule: Within 5 years RECOMMENDED ACTION 23: Develop a financial strategy to design and construct large capital improvement projects. Metropolitan Nashville - Davidson County Mitigation Strategy Multi-Hazard Mitigation Plan Page 5-22 April 2010
The strategy shall incorporate a cost-sharing plan to leverage local, state, and federal funding for stormwater management activities and projects. Source: Floodplain Management Plan Mitigation Category: Structural Projects Responsible Office: MWS Priority (H, M, L): Low Cost Estimate: $40,000 Community Benefit: Life Safety Potential funding: Existing Budget; TEMA Schedule: 2005 2009 Update: Beginning July 1, 2009, Metro implemented a Stormwater User fee where all properties in Davidson County that have more than 400 square feet of impervious surface pay a monthly user fee. (The seven incorporated satellite cities within the county are not in the program.) The funds collected through this fee pay the operation expenses of the Stormwater Division and support a $12M/year capital construction program. RECOMMENDED ACTION 24: FEMA offers two programs, the Hazard Mitigation Grant Program (HMGP) and the Flood Mitigation Assistance (FMA) Program, to assist local communities with reducing future losses of lives and properties due to disasters. The HMGP provides grants to local communities to implement long-term hazard mitigation measures such as the elevation, acquisition, or relocation of flood-prone structures after a major disaster declaration. The FMA program provides grants to communities for projects that reduce the risk of flood damage to structures that have flood insurance coverage. FEMA's mitigation grant programs are administered by the TEMA, which prioritizes and selects project applications developed and submitted by local jurisdictions. The CPT recommends applying annually for potentially available HMGP and FMA grants. Source: CPT Mitigation Category: Property Protection; Structural Projects Responsible Office: MWS and OEM Priority (H, M, L): Low Cost Estimate: Staff Time to complete grant application Community Benefit: Potential funding sources for action items of this Mitigation Plan Potential funding: Existing Budget Schedule: Annually 2009 Update: MWS has a close working relationship with TEMA and MWS has applied for and been awarded funding from both HMGP and FMA on an annual basis. Since 2002, MWS has acquired and removed 52 homes from the 100 year floodplain. Metropolitan Nashville - Davidson County Mitigation Strategy Multi-Hazard Mitigation Plan Page 5-23 April 2010
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Metropolitan Nashville-Davidson Cou
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4.2 Vulnerability Assessment ......
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LIST OF FIGURES Figure 2-1 Metropol
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USDA USGA WCT WNV United States Dep
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Metropolitan Nashville-Davidson Cou
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equired revision every 5 years. The
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Figure 2-1. Metropolitan Nashville-
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Subarea 1 - Joelton Joelton is loca
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Nashville, coupled with the concent
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Interstate 24 and Briley Parkway; t
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(This page has been left blank inte
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Figure 3-1. Similarity Between DMA
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Step 2: Involve the Public In addit
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Step 5: Assess the Problem Once the
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Table 4-1. Federal Disaster Declara
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Figure 4-2. Dams and Levees within
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management. Total storage capacity
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infrequent occurrence. There has ne
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Likelihood of Future Occurrences Th
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WATERSHED Table 4-3. Major Sources
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All streams within Metro Nashville,
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Nashville entered the flood insuran
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Damage Reach 1 Damage Reach 2 Damag
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Dry Creek Watershed The Dry Creek W
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performed. Primarily a rural portio
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Table 4-13. Pages Branch Damage Rea
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Table 4-14. Richland Creek Damage R
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2.96. Damage Reach 12 is located on
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Cumberland River The Cumberland Riv
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The Southern Appalachian Seismic Zo
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40g 30g 25g 20g 15g 10g 9g 8g 7g 6g
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Figure 4-10. Evidence of Landslides
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Figure 4-11b. Slopes greater than 2
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Figure 4.13 Karst Hazard Map of Ten
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Human cases have been reported in a
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The PDSI indicates that for the per
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Figure 4-18. Tennessee Forestry Dis
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how hot it feels to an individual w
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Figure 4-21. Average Number of Thun
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Page 104 and 105: Past Occurrences Several severe tor
Page 106 and 107: Past Occurrences There have been 16
Page 108 and 109: Critical Facilities Of significant
Page 110 and 111: Scientific Name Common Name Federal
Page 112 and 113: Historic and Natural Resources are
Page 114 and 115: West Nile Virus is spread through m
Page 116 and 117: DAM & LEVEE FAILURES Risk - Moderat
Page 118 and 119: WNQM AM 1300; WUPX UPN 30; WVOL AM
Page 120 and 121: Table 4-31. Earthquake Hazard Damag
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Page 124 and 125: Figure 4-25 Tornado Siren Locations
Page 128 and 129: Table 4-33. Metropolitan Nashville-
Page 130 and 131: Evaluation of Existing Capabilities
Page 132 and 133: Harpeth River - Newsom Station Road
Page 134 and 135: 4. MWS has prioritized Capital Impr
Page 136 and 137: GOAL #3: Objective 3.1: Objective 3
Page 138 and 139: measures. Team members were allowed
Page 140 and 141: 2009 Update: Since the creation of
Page 142 and 143: Community Benefit: Potential fundin
Page 144 and 145: staff gages were installed in 2009
Page 146 and 147: Existing permit procedures should b
Page 148 and 149: Community Benefit: Life safety, Pot
Page 150 and 151: • Develop public-private partners
Page 152 and 153: 2009 Update: MWS continues to send
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Page 158 and 159: COMPLETED ACTION 4: Double the numb
Page 162 and 163: • Construct tornado saferooms and
Page 166 and 167: With the adoption of this plan, the
Page 172 and 173: of the CPT. In addition, technical
Page 174 and 175: PROMULGATION STATMENT Date: TBD To:
Page 180 and 181: 2. Multi-Hazard Mitigation Plan Sta
Page 188 and 189: METROPOLITAN GOVERNMENT OF NASHVILL
Page 190 and 191: Figure A-5 Mass email sent out from
Page 196 and 197: FLOODING-1 No. Location Historical
Page 198 and 199: FLOODING-3 No. Location Historical
Page 200 and 201: EARTHQUAKES-2 No. Date Richter Magn
Page 202 and 203: INFESTATIONS-1 West Nile Virus Loca
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WILDFIRES-1 No. Location Year Histo
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EXTREME COLD TEMPERATURES-2 No. Loc
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EXTREME HOT TEMPERATURES-1 No. Loca
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THUNDERSTORMS-1 No. Location Histor
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TORNADOES-2 No. Location Historical
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TORNADOES-4 No. Location Historical
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WINTER STORMS-1 No. Location Histor
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Metropolitan Nashville - Davidson C
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MCALPINE AV Cooper Creek DR 3 HART
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Trib. No. 3 GALLATIN PK OLD HICKORY
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HEATH RD BUFFALO RD HUNTWICK TRL HW
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NOLENSVILLE PK Sevenmile Creek DR 1
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Mill Creek Sorghum Branch ANTIOCH P
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HART LN BRICK CHURCH PK I- 65 §¨
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SUMMERLY DR W HILLWOOD DR DARDEN PL
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Stones River STEWARTS FERRY PK reek
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SAUNDERSVILLE RD SHUTE LN ANDREW JA
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Cumberland River RIVER RD RIVER ROA
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Cumberla nd River Browns Creek DR 1
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Metropolitan Nashville - Davidson C
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Metropolitan Nashville Department o
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Reconnaissance Report for Flood Dam
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Extreme Temperatures Chronology of
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2010 Metro Mitigation Plan

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